First, rarely seen interview with jodi arias surfacing as the juriky gets ready to consider a possible death sentence. It was filmed just after her arrest. Ryan owens has the story. Jodi arias remains on suicide watch in this arizona jail. Waiting for a jury to decide as soon as this week if she lives or dice. This morning, a new and different look at the convicted killer. I guess I've seen better days. At will have to do. Reporter: Abc's "20/20" shot this video with the notoriously vain femme fatale just after this mug shot. All of the evidence to me is very compelling. But, none of it proves i committed a murder. Reporter: We know her confidence was sadly misplaced. First-degree murder, guilty. Reporter: Last week, an arizona jury found her guilty of the premeditated murder of her boyfriend travis alexander. She spoke of him in glowing terms back then. He's missed by emp, including myself. Reporter: She now insist is he abused her and she was forced to shoot and stab him in self-defense. In 2008, she was still insisted she new nothing. One day I have to answer for all of the things I have done. Knowing that this isn't one of them is a very comforting thing to know. Reporter: Litt tle did she know then that her situation would become fodder for the media. Is there that story you told about your boyfriend attacking you, that was bs, right? Oh, totally, he never laid hand on me. That sounded fishy to me. You and the jury. Reporter: This week, the same jury hear is from jodi yet again. This time, as she begs for her life. Also in court today, the man who may be the most infamous

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